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The furnace is supplied with a drain trap assembly. See page 26, Figures 11-14 for possible locations of the drain trap. The drain coupling on the inducer will work better if the drain holes are pointed down about 15 degrees. The drain hose supplied with the furnace is long enough to reach either side panel; however, it must be cut near the blower division panel and fitted with the elbows and clamps provided. This is to prevent kinking in the drain lines. CAUTION The two inlets to the drain trap are for vent pipe and condensate collection. The vent pipe inlet is smaller than the condensate collection inlet. Ensure that the drain hoses are properly connected. DRAIN HOSE INSTALLATION 1. Select a drain trap location suitable for the orientation of the furnace and remove the corresponding knockouts. See page 26, figures 11-14. 2. Affix the drain trap assembly to the exterior of the side panel when the furnace is upflow or downflow using two screws provided. For horizontal positions the installer will need to use the mounting bracket supplied and secure the bracket to the top panel. Remove two top panel screws and fasten bracket to top panel with removed screws. Secure trap assembly using screws provided to the mounting bracket. 2. Slide a hose clamp over the end of each hose. 3. Slide each hose over the appropriate inlet. 4. Slide each hose clamp to approximately 1/8” from the end of the hose. 5. Fasten each drain hose to its inlet by tightening the hose clamps. 6. Cut each drain hose near the blower division panel, at the point where kinking is able to occur. 7. Slide a hose clamp over the ends of the hose connecting to the vent drain and condensate drain. 8. Insert an end of the plastic elbow (supplied) into each hose. 9. Cut hose lengths from the remaining lengths of hose to fit between elbows and the drain trap inlets of both the vent drain and the condensate drain. 10. Slide a hose clamp over the ends of the hoses and secure to their appropriate connection. Slide each hose clamp to approximately 1/8” to 1/4” from the end of the hose then tighten. DRAIN PIPING Condensate from the outlet of the drain trap assembly must be conveyed to a floor drain, sump pit, or, if these are unavailable, to a condensate pump. If using a condensate pump, be sure that it is approved for use for furnace condensate. CAUTION Do not drain the condensate outdoors. Do not run the condensate line through areas where freezing might occur. Freezing of condensate can result in erratic furnace operation and in property damage. The condensate drainage configuration requires a vent. It takes less than a one inch rise anywhere along the horizontal route of the drain tube to create a vapor lock, which will prevent condensate from draining away freely, and result in erratic furnace operation. IMPORTANT If an air conditioning evaporator coil drain is to share the furnace drain line, it should be connected with a tee fitting down-stream from the trap. Do not connect the evaporator coil condensate drain upstream of the furnace drain trap assembly. FIGURES 11-14 : CONDENSATE TRAP / CONDENSATE DRAINAGE WITH VENT. (NEXT PAGE) CAUTION Ensure that drain hoses do not create traps prior to the condensate trap assembly. A secondary trap will cause intermittent operation due to the pressure switches opening. 25 HORIZONTAL FLOW RIGHT CONDENSATE TRAP CONDENSATE TRAP HORIZONTAL FLOW LEFT UPFLOW DOWNFLOW CONDENSATE CONDENSATE TRAP TRAP FIGURE 11 FIGURE 12 FIGURE 13 FIGURE 14 26 PVC)(Minimum 1" Higher than Trap B - Open to Atmosphere Assembly) E - Overflow Bypass Tube D - Tee(1/2" PVC) C - Standpipe (1/2" A - Condensate Trap Assembly CONDENSATE DRAIN INSTALLATION 1. Identify which side the condensate drain trap will be installed on the unit. Condensate trap may be mounted on either the left or right side of the unit, when looking at the front. Some installation positions will only allow one option to mount the drain. 2. Using the appropriate template (left vs. right), mark the mounting and drain holes. 3. Drill holes and de burr, if necessary 4. Secure the condensate drain trap to the side of the furnace using the mounting holes that were just drilled 5. Install one rubber grommet (provided) into each of the drain holes and then insert the 90 degree (black) drain tubes so that they extend down into the top of the drain trap. Inside the top front cover, connect the drain tubing from the flue connector to one of the drain pipes that were just installed. Do the same for the second drain pipe located located in the lower right of the inner front panel. 1/2 ID tubing should be used. It may be necessary to secure the tubing with a hose clamp depending on the fit. Be cautious not to over tighten the clamp. 7. Pipe the remainder of the drain to the condensate pump using PVC pipe. A 3/4” PVC coupling will fit over the drain connection on the trap. IMPORTANT The condensate drain trap assembly should be full of water before starting the furnace. CONDENSATE NEUTRALIZERS ...

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